| Автор | Csaba Csáki |
| Автор | Johannes Heinonen |
| Автор | Maxim Perelstein |
| Дата выпуска | 2007-10-01 |
| dc.description | We examine the possibility of distinguishing a supersymmetric gluino from a Kaluza-Klein gluon of universal extra dimensions (UED) at the Large Hadron Collider (LHC). We focus on the case when all kinematically allowed tree-level decays of this particle are 3-body decays into two jets and a massive daughter (typically weak gaugino or Kaluza-Klein weak gauge boson). We show that the shapes of the dijet invariant mass distributions differ significantly in the two models, as long as the mass of the decaying particle m<sub>A</sub> is substantially larger than the mass of the massive daughter m<sub>B</sub>. We present a simple analysis estimating the number of events needed to distinguish between the two models under idealized conditions. For example, for m<sub>A</sub>/m<sub>B</sub> = 10, we find the required number of events to be of order several thousand, which should be available at the LHC within a few years. This conclusion is confirmed by a parton level Monte Carlo study which includes the effects of experimental cuts and the combinatoric background. |
| Формат | application.pdf |
| Издатель | Institute of Physics Publishing |
| Название | Testing gluino spin with three-body decays |
| Тип | paper |
| DOI | 10.1088/1126-6708/2007/10/107 |
| Electronic ISSN | 1029- 8479 |
| Print ISSN | 1126-6708 |
| Журнал | Journal of High Energy Physics |
| Том | 2007 |
| Первая страница | 107 |
| Последняя страница | 107 |
| Аффилиация | Csaba Csáki; Institute for High Energy Phenomenology, Newman Laboratory of Elementary Particle Physics, Cornell University, Ithaca, NY 14853, U.S.A. |
| Аффилиация | Johannes Heinonen; Institute for High Energy Phenomenology, Newman Laboratory of Elementary Particle Physics, Cornell University, Ithaca, NY 14853, U.S.A. |
| Аффилиация | Maxim Perelstein; Institute for High Energy Phenomenology, Newman Laboratory of Elementary Particle Physics, Cornell University, Ithaca, NY 14853, U.S.A. |
| Выпуск | 10 |
